388196389 has 16 divisors (see below), whose sum is σ = 455741440. Its totient is φ = 323734320.

The previous prime is 388196383. The next prime is 388196401. The reversal of 388196389 is 983691883.

It is a happy number.

It is not a de Polignac number, because 388196389 - 2⁵ = 388196357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388196383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79192 + ... + 83950.

It is an arithmetic number, because the mean of its divisors is an integer number (28483840).

Almost surely, 2^388196389 is an apocalyptic number.

It is an amenable number.

388196389 is a deficient number, since it is larger than the sum of its proper divisors (67545051).

388196389 is a wasteful number, since it uses less digits than its factorization.

388196389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080.

The product of its digits is 2239488, while the sum is 55.

The square root of 388196389 is about 19702.7000433951. The cubic root of 388196389 is about 729.4863397203.

The spelling of 388196389 in words is "three hundred eighty-eight million, one hundred ninety-six thousand, three hundred eighty-nine".